src/policy.h

   1 /*
   2  * Copyright (c) 2007, Novell Inc.
   3  *
   4  * This program is licensed under the BSD license, read LICENSE.BSD
   5  * for further information
   6  */
   7
   8 /*
   9  * Generic policy interface for SAT solver
  10  * The policy* function can be "overloaded" by defining a callback in the solver struct.
  11  */
  12
  13 #include "solver.h"
  14
  15 #ifdef __cplusplus
  16 extern "C" {
  17 #endif
  18
  19 #define POLICY_MODE_CHOOSE      0
  20 #define POLICY_MODE_RECOMMEND   1
  21 #define POLICY_MODE_SUGGEST     2
  22 #define POLICY_MODE_CHOOSE_NOREORDER    3       /* internal, do not use */
  23 #define POLICY_MODE_SUPPLEMENT  4       /* internal, do not use */
  24 #define POLICY_MODE_FAVOR_REC   (1 << 30)       /* internal, do not use */
  25
  26
  27 #define POLICY_ILLEGAL_DOWNGRADE        1
  28 #define POLICY_ILLEGAL_ARCHCHANGE       2
  29 #define POLICY_ILLEGAL_VENDORCHANGE     4
  30 #define POLICY_ILLEGAL_NAMECHANGE       8
  31
  32 extern void policy_filter_unwanted(Solver *solv, Queue *plist, int mode);
  33 extern int  policy_illegal_archchange(Solver *solv, Solvable *s1, Solvable *s2);
  34 extern int  policy_illegal_vendorchange(Solver *solv, Solvable *s1, Solvable *s2);
  35 extern int  policy_is_illegal(Solver *solv, Solvable *s1, Solvable *s2, int ignore);
  36 extern void policy_findupdatepackages(Solver *solv, Solvable *s, Queue *qs, int allowall);
  37 extern const char *policy_illegal2str(Solver *solv, int illegal, Solvable *s, Solvable *rs);
  38 extern void policy_update_recommendsmap(Solver *solv);
  39
  40 extern void policy_create_obsolete_index(Solver *solv);
  41
  42 extern void pool_best_solvables(Pool *pool, Queue *plist, int flags);
  43
  44 /* internal, do not use */
  45 extern void prune_to_best_version(Pool *pool, Queue *plist);
  46 extern void policy_prefer_favored(Solver *solv, Queue *plist);
  47
  48
  49 #ifdef __cplusplus
  50 }
  51 #endif